@article{Haug, author = {Haug, Sonja}, title = {Integrationsforschung}, series = {Blickpunkt Integration}, journal = {Blickpunkt Integration}, number = {3}, publisher = {Bundesamt f{\"u}r Migration und Fl{\"u}chtlinge}, pages = {7 -- 8}, language = {de} } @article{Haug, author = {Haug, Sonja}, title = {Trends der Auswanderung aus Deutschland}, series = {BiB-Mitteilungen}, volume = {25}, journal = {BiB-Mitteilungen}, number = {1}, pages = {11 -- 14}, language = {de} }